Across
- 3. Economics is a social science concerned with the production, distribution, and consumption of goods and services. It studies how individuals, businesses, governments, and nations make choices about how to allocate resources.
- 6. the envelope of gases surrounding the earth or another planet.
- 7. relating to the natural world and the impact of human activity on its condition.
- 10. The act of giving form or shape to anything;
- 13. the action or process of converting waste into reusable material.
- 14. considered in relation or in proportion to something else.
- 16. to maintain (a quantity) constant during a process of chemical, physical, or evolutionary change a DNA sequence that has been conserved.
- 18. Technology is the sum of techniques, skills, methods, and processes used in the production of goods or services
Down
- 1. Renewable energy is useful energy that is collected from renewable resources, which are naturally replenished on a human timescale,
- 2. A non-renewable resource is a natural resource that cannot be readily replaced by natural means at a pace quick enough to keep up with consumption.
- 4. the strength and vitality required for sustained physical or mental activity.
- 5. the branch of science dealing with the physical constitution of the earth and its atmosphere.
- 8. Minerals
- 9. the rigid outer part of the earth, consisting of the crust and upper mantle.
- 11. solid, naturally occurring inorganic substance.
- 12. A hydrosphere is the total amount of water on a planet.
- 14. materials in digital format accessible electronically.
- 15. A rock is any naturally occurring solid mass or aggregate of minerals or mineraloid matter
- 17. the regions of the surface and atmosphere of the earth or another planet occupied by living organisms.